diff --git a/setup.py b/setup.py
index 1d67017..6f997b9 100644
--- a/setup.py
+++ b/setup.py
@@ -49,6 +49,7 @@ def package_files(directory):
         "scipy",
         "premise",
         "pyyaml",
+        "scikit-umfpack"
     ],
     url="https://github.com/polca/premise",
     description="Scenario-level LCA of energy systems and transition pathways",